Displaying 3 results from an estimated 3 matches for "lbb14_4".
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lbb14_6
2016 May 24
0
Liveness of AL, AH and AX in x86 backend
Here's some of the generated code from the current community head for bzip2.c from spec 256.bzip2, with these options:
clang -m32 -S -O2 bzip2.c
.LBB14_4: # %bsW.exit24
subl %eax, %ebx
addl $8, %eax
movl %ebx, %ecx
movl %eax, bsLive
shll %cl, %edi
movl %ebp, %ecx
orl %esi, %edi
movzbl %ch, %esi
cmpl $8, %eax
movl...
2016 May 24
1
Liveness of AL, AH and AX in x86 backend
...what I need, so the
questions about x86 may become moot.
-Krzysztof
On 5/24/2016 3:25 PM, Smith, Kevin B wrote:
> Here's some of the generated code from the current community head for bzip2.c from spec 256.bzip2, with these options:
>
> clang -m32 -S -O2 bzip2.c
>
> .LBB14_4: # %bsW.exit24
> subl %eax, %ebx
> addl $8, %eax
> movl %ebx, %ecx
> movl %eax, bsLive
> shll %cl, %edi
> movl %ebp, %ecx
> orl %esi, %edi
> movzbl %ch, %esi...
2016 May 24
3
Liveness of AL, AH and AX in x86 backend
Hi,
Could you use "MIR" to forge the example you're looking for?
--
Mehdi
> On May 24, 2016, at 10:10 AM, Krzysztof Parzyszek via llvm-dev <llvm-dev at lists.llvm.org> wrote:
>
> Then let me shift focus from performance to size. With either optsize or minsize, the output is still the same.
>
> As per the subject, I'm not really interested in the